diff --git a/lib/file.js b/lib/file.js
index 29c9832..d2f9619 100644
--- a/lib/file.js
+++ b/lib/file.js
@@ -150,9 +150,9 @@ exports.writeBinaryFile = function(FN, DATA) {
 
 exports.moveFile = function(FROM, TO) {
     var FSO = CreateObject("Scripting.FileSystemObject");
-    var res = FSO.MoveFile(FROM, TO);
+    var result = FSO.MoveFile(FROM, TO);
     FSO = null;
-    return res;
+    return result;
 };
 
 /////////////////////////////////////////////////////////////////////////////////
@@ -161,9 +161,20 @@ exports.moveFile = function(FROM, TO) {
 
 exports.createFolder = function(FN) {
     var FSO = CreateObject("Scripting.FileSystemObject");
-    var res = FSO.CreateFolder(FN);
+    var result = FSO.CreateFolder(FN);
     FSO = null;
-    return res;
+    return result;
+};
+
+/////////////////////////////////////////////////////////////////////////////////
+// exports.deleteFolder
+/////////////////////////////////////////////////////////////////////////////////
+
+exports.createFolder = function(FN) {
+    var FSO = CreateObject("Scripting.FileSystemObject");
+    var result = FSO.DeleteFolder(FN);
+    FSO = null;
+    return result;
 };
 
 /////////////////////////////////////////////////////////////////////////////////
@@ -172,9 +183,9 @@ exports.createFolder = function(FN) {
 
 exports.deleteFile = function(FN) {
     var FSO = CreateObject("Scripting.FileSystemObject");
-    var res = FSO.DeleteFile(FN);
+    var result = FSO.DeleteFile(FN);
     FSO = null;
-    return res;
+    return result;
 };
 
 /////////////////////////////////////////////////////////////////////////////////